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DR. JOSEPH GUADALUPE MARQUEZ D.O.
NPI 1902989528
Psychiatry & Neurology - Child & Adolescent Psychiatry in Downey, CA

Active since October 24, 2006
7285 QUILL DR, DOWNEY, CA 90242(562) 940-6077 Get Directions Write a Review

NPPES record last updated: January 31, 2011. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Joseph Guadalupe Marquez D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOSEPH GUADALUPE MARQUEZ D.O. (NPI 1902989528) is an individual child & adolescent psychiatry provider in Downey, California, licensed in California (20A8470) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1902989528
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameDR. JOSEPH GUADALUPE MARQUEZCredential: D.O.
Location Address7285 QUILL DRDowney, CA 90242-2001
Mailing Address11351 Baskerville RdRossmoor, CA 90720-2927
Phone(562) 940-6077
Sole ProprietorYes
Enumeration DateOctober 24, 2006
Last NPPES UpdateJanuary 31, 2011
✔ NPI 1902989528 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in CA · 20A8470
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 20A8470 (CA)
7285 QUILL DR, Downey, CA 90242
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. LEANOR M JOHANSEN PHD
Psychologist
7285 QUILL DR
DOWNEY, CA 90242
Los Angeles County (562) 940-6077
MARIA DE JESUS SANCHEZ
Case Manager/Care Coordinator
7285 QUILL DR
DOWNEY, CA 90242
Los Angeles County (323) 226-3983
DR. PAUL G SHUMAN PSY.D.
Psychologist (Clinical)
7285 QUILL DR
DOWNEY, CA 90242
Los Angeles County (562) 940-8700
JANET CAMPOS MSW
Social Worker (Clinical)
7285 QUILL DR
DOWNEY, CA 90242
Los Angeles County (562) 940-6077
DR. PAUL MATTHEW ASCARATE PH.D.
Psychologist (Clinical)
7285 QUILL DR
DOWNEY, CA 90242
Los Angeles County (562) 658-0134
MARCELA AYALA
Social Worker (Clinical)
7285 QUILL DR
DOWNEY, CA 90242
Los Angeles County (562) 940-6077
KAYLEIGH SHARP
Marriage & Family Therapist
7285 QUILL DR
DOWNEY, CA 90242
Los Angeles County (562) 940-8681
MR. RUBEN PENA JR. MSW
Social Worker (Clinical)
7285 QUILL DR
DOWNEY, CA 90242
Los Angeles County (323) 226-8826

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joseph Marquez's NPI number?

The NPI number for Joseph Marquez is 1902989528. It was assigned to this individual provider in the NPPES registry on October 24, 2006.

Where is Joseph Marquez located?

Joseph Marquez practices at 7285 Quill Dr, Downey, CA 90242. The listed phone number is (562) 940-6077.

What is Joseph Marquez's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

When was this NPI record last updated?

The NPPES record for Joseph Marquez was last updated on January 31, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.